Enhance your astrophotography setup with this high-quality Adapter Ring, expertly crafted from durable aluminum alloy through precision manufacturing for exceptional corrosion resistance and long-lasting use. Designed to securely connect your camera to an astronomical telescope, this adapter ring features a black finish with an anti-reflective inner wall treatment that effectively minimizes radiation interference, ensuring clear and uninterrupted imaging performance. Key Features: · Premium Aluminum Alloy Construction: Provides superior durability and corrosion resistance, making it ideal for frequent use in various outdoor and indoor conditions. · Anti-Reflective Inner Wall: The extinction processing on the inner wall reduces stray light and radiation, preserving image quality and enhancing your astrophotography results. · Stable and Reliable Connection: Engineered to connect cameras to SCT (M51x1mm) and M48x0.75mm telescope mounts with high stability and reliability, ensuring a practical and efficient accessory for your optical equipment. · Easy Installation and Flexible Operation: Designed for quick and effortless mounting, saving time and reducing setup complexity, allowing you to focus more on capturing images. · Lightweight Design: Weighing approximately 27g (1.0oz), this adapter ring adds minimal weight to your device, preventing any burden while protecting your camera during use. Specifications: · Item Type: Adapter Ring · Material: Aluminum Alloy · Product Color: Black · Internal Thread Depth: Approx. 6mm (0.2in) · External Thread Depth: Approx. 4mm (0.2in) · Flange Distance: Approx. 8mm (0.3in) · Clear Hole Diameter: Approx. 45mm (1.8in) · Product Weight: Approx. 27g (1.0oz) · Mount Compatibility: SCT (M51x1mm), M48x0.75mm Package Includes: · 1 x Adapter Ring This Adapter Ring is an essential accessory for astrophotographers seeking a durable, reliable, and easy-to-use solution for connecting cameras to telescopes. Its precision construction and thoughtful design features deliver enhanced imaging stability and protection, making it a valuable tool in your astrophotography gear.